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        <h1>
            DDNS
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        <h2>DDNS Introduce</h2>
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            The DDNS is to set to connect the various servers so that you can access the system via the server. Please go to the corresponding service website to apply a domain name and then access the system via the domain. It works even your IP address has changes.
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        <h2>Parameter Function</h2>
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            <span class="boldT">Server type</span>
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            CN99 DDNS
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            Server address：www.3322.org
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            NO-IP DDNS
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            Server address：dynupdate.no-ip.com
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            Dyndns DDNS
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            Server address：members.dyndns.org
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            Other DDNS
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                <span class="boldT">Update period：</span>
                Device sends out alive signal to the server regularly. The default setup is 10 minutes.
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